Provides extended runtime for compatible UPS systems in education, healthcare, military, government and other IT applications in small or mid-size networks. Backup battery module gives your compatible UPS System Extended Runtime. The valve-regulated lead-acid (VRLA) BP36RT offers extended battery runtime when used in conjunction with SU750RTXLCD2U, SU750RTXLCD2UN, SU1000RTXLCD2U and SU1000RTXLCD2UN SmartOnline UPS systems. It can also be daisy-chained for a maximum of four matching battery packs to deliver even longer extended-run operation. Heavy-gauge cabling with high-current DC connectors is included for safe, simple installation. Versatile Installation Options. You can mount the BP36RT in 2U of space in an EIA-standard 19" rack using the included 4-post rail kit or an optional 2-post rail kit (RK2PC, sold separately). You can also adapt it for tower installation using the UPS system's support stands.